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| Naji, M. |
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| Motta, Antonella |
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| Aletan, Dirar |
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| Mohamed, Tarek |
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| Ertürk, Emre |
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| Taccardi, Nicola |
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| Kononenko, Denys |
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| Petrov, R. H. | Madrid |
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| Alshaaer, Mazen | Brussels |
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| Bih, L. |
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| Casati, R. |
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| Muller, Hermance |
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| Kočí, Jan | Prague |
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| Šuljagić, Marija |
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| Kalteremidou, Kalliopi-Artemi | Brussels |
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| Azam, Siraj |
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| Ospanova, Alyiya |
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| Blanpain, Bart |
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| Ali, M. A. |
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| Popa, V. |
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| Rančić, M. |
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| Ollier, Nadège |
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| Azevedo, Nuno Monteiro |
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| Landes, Michael |
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| Rignanese, Gian-Marco |
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Morata, Alex
in Cooperation with on an Cooperation-Score of 37%
Topics
Publications (16/16 displayed)
- 2024A self-assembled multiphasic thin film as an oxygen electrode for enhanced durability in reversible solid oxide cellscitations
- 2022Ion Intercalation in Lanthanum Strontium Ferrite for Aqueous Electrochemical Energy Storage Devicescitations
- 2022Nanostructured La 0.75 Sr 0.25 Cr 0.5 Mn 0.5 O 3 -Ce 0.8 Sm 0.2 O 2 Heterointerfaces as All-Ceramic Functional Layers for Solid Oxide Fuel Cell Applicationscitations
- 2022On the thermoelectric properties of Nb-doped SrTiO3 epitaxial thin filmscitations
- 2022Functional thin films as cathode/electrolyte interlayers: a strategy to enhance the performance and durability of solid oxide fuel cellscitations
- 2022On the thermoelectric properties of Nb-doped SrTiO 3 epitaxial thin filmscitations
- 2022Nanostructured La0.75Sr0.25Cr0.5Mn0.5O3–Ce0.8Sm 0.2O2 Heterointerfaces as All-Ceramic Functional Layers for Solid Oxide Fuel Cell Applicationscitations
- 2021Direct Measurement of Oxygen Mass Transport at the Nanoscalecitations
- 2021A high-entropy manganite in an ordered nanocomposite for long-term application in solid oxide cells
- 20213D Printing of Porous-Dense-Porous 8YSZ Supports for Solid Oxide Cells Applicationscitations
- 2021Transitioning from Si to SiGe Nanowires as Thermoelectric Material in Silicon-Based Microgenerators
- 2019All-silicon thermoelectric micro/nanogenerator including a heat exchanger for harvesting applications
- 2019Enhanced thermoelectric figure of merit of individual Si nanowires with ultralow contact resistances
- 2019Engineering Transport in Manganites by Tuning Local Nonstoichiometry in Grain Boundariescitations
- 2017Multi-scale analysis of the diffusion barrier layer of gadolinia-doped ceria in a solid oxide fuel cell operated in a stack for 3000 hcitations
- 2014Full ceramic micro solid oxide fuel cells: Towards more reliable MEMS power generators operating at high temperaturescitations
Places of action
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article
Ion Intercalation in Lanthanum Strontium Ferrite for Aqueous Electrochemical Energy Storage Devices
Abstract
Ion intercalation of perovskite oxides in liquid electrolytes is a very promising method for controlling their functional properties while storing charge, which opens up its potential application in different energy and information technologies. Although the role of defect chemistry in oxygen intercalation in a gaseous environment is well established, the mechanism of ion intercalation in liquid electrolytes at room temperature is poorly understood. In this study, the defect chemistry during ion intercalation of La<sub>0.5</sub>Sr<sub>0.5</sub>FeO<sub>3-<i>δ</i></sub> thin films in alkaline electrolytes is studied. Oxygen and proton intercalation into the La<sub>1-<i>x</i></sub>Sr<i><sub>x</sub></i>FeO<sub>3-<i>δ </i></sub>perovskite structure is observed at moderate electrochemical potentials (0.5 to -0.4 V), giving rise to a change in the oxidation state of Fe (as a charge compensation mechanism). The variation of the concentration of holes as a function of the intercalation potential is characterized by in situ ellipsometry, and the concentration of electron holes is indirectly quantified for different electrochemical potentials. Finally, a dilute defect chemistry model that describes the variation of defect species during ionic intercalation is developed.